Finding the Fourth Proportional to 4,992,199,225.20, 7,488,298,837.80 and 2,543,319,097.20
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Solution
The fourth proportional to 4,992,199,225.20, 7,488,298,837.80 and 2,543,319,097.20 is: 3,814,978,645.80
Step by Step Solution
- Step 1: Write the proportion equation
4,992,199,225.20 : 7,488,298,837.80 = 2,543,319,097.20 : x - Step 2: Convert to fraction form
4,992,199,225.20/7,488,298,837.80 = 2,543,319,097.20/x - Step 3: Cross multiply
4,992,199,225.20x = 7,488,298,837.80 × 2,543,319,097.20 - Step 4: Simplify right side
4,992,199,225.20x = 19,045,133,439,717,302,272 - Step 5: Solve for x
x = 19,045,133,439,717,302,272/4,992,199,225.20 - Step 6: Final answer
x = 3,814,978,645.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.